Index: HDDefs.h
===================================================================
diff -u -r0071ba77492807e55e1d330c3ba71a3aca712819 -rd617269d3dca0c77251e00fb3e2cf3b78fe3391f
--- HDDefs.h	(.../HDDefs.h)	(revision 0071ba77492807e55e1d330c3ba71a3aca712819)
+++ HDDefs.h	(.../HDDefs.h)	(revision d617269d3dca0c77251e00fb3e2cf3b78fe3391f)
@@ -635,5 +635,31 @@
     NUM_OF_HD_PUMPS                                                     ///< Number of HD pumps
 };
 typedef enum HD_Pumps HD_PUMP_T;                                        ///< Type for HD pump enumeration
+
+/**
+ *  @addtogroup HDTreatmentLog
+ *  @{
+ */
+
+/// Enumeration of event IDs.
+enum Event_List
+{
+    BLOOD_FLOW_RATE_CHANGE_EVENT = 0,                                   ///< Blood flow rate change event
+    DIALYSATE_FLOW_RATE_CHANGE_EVENT,                                   ///< Dialysate flow rate change event
+    TREATMENT_DURATION_CHANGE_EVENT,                                    ///< Treatment duration change event
+    UF_VOLUME_CHANGE_EVENT,                                             ///< Ultrafiltration volume change event
+    UF_PAUSE_RESUME_EVENT,                                              ///< Ultrafiltration pause/resume event
+    ARTERIAL_PRESSURE_LOWER_LIMIT_CHANGE_EVENT,                         ///< Arterial pressure lower limit change event
+    ARTERIAL_PRESSURE_UPPER_LIMIT_CHANGE_EVENT,                         ///< Arterial pressure upper limit change event
+    VENOUS_PRESSURE_LOWER_LIMIT_CHANGE_EVENT,                           ///< Venous pressure lower limit change event
+    VENOUS_PRESSURE_UPPER_LIMIT_CHANGE_EVENT,                           ///< Venous pressure upper limit change event
+    HEPARIN_PAUSE_RESUME_EVENT,                                         ///< Heparin pause/resume event
+    SALINE_BOLUSES_VOLUME_CHANGE_EVENT,                                 ///< Saline boluses volume change event
+    MID_TREATMENT_RINSE_BACK_EVENT,                                     ///< Mid treatment rinse-back event
+    NUM_OF_EVENT_IDS                                                    ///< Total number of events
+};
+typedef enum Event_List EVENT_ID_T;                                     ///< Type for event list enumeration
+
+/**@}*/
 
 #endif